/*
 * Author: yezi
 * E-mail: okye328@gmail.com
 * Create time: Dec 31, 2012 11:14:28 PM
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 */
package com.kanbox.linux.util;

public class ByteUtil {
	public static String byteToString(byte b) {
		int up = (b & 0xff) >> 4;
		int low = (b & 0x0f);
		char upC;
		char lowC;
		if (up < 10) {
			upC = (char) (48 + up);
		} else {
			upC = (char) (97 + up - 10);
		}
		if (low < 10) {
			lowC = (char) (48 + low);
		} else {
			lowC = (char) (97 + low - 10);
		}
		return "" + upC + lowC;
	}

	public static String bytesToString(byte[] bs) {
		StringBuilder sb = new StringBuilder();
		for (int i = 0; i < bs.length; i++) {
			sb.append(byteToString(bs[i]));
		}
		return sb.toString();
	}
}
